Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to FASTENER NOTICE .

Install the transmission to the vehicle:
1. 1.1. Ensure the transmission is positioned in the 3rd or 4th gear.
2. 1.2. Rotate the transmission clockwise onto the clutch hub splines.
3. 1.3. Install the bolt and studs securing the transmission to the engine.
  Tighten
  
  Tighten the bolt/studs to 50 N.m (37 lb ft).
  
  Fig 1: Installing Bolt & Studs Securing Transmission To Engine
  Courtesy of GENERAL MOTORS CORP.
Install the transfer case vent hose clip bracket and nut.
On the 4.3L engine this bracket is located at the 1 o'clock position and on the 4.8L engine this bracket is located at the 12 o'clock position.

Fig 2: Installing Transfer Case Vent Hose Clip Bracket & Nut
Courtesy of GENERAL MOTORS CORP.
Install the stud securing the right side of the transmission to the engine.
Tighten

Tighten the stud to 50 N.m (37 lb ft).

Fig 3: Installing Stud Securing Right Side Of Transmission To Engine
Courtesy of GENERAL MOTORS CORP.
Install the transmission cover.
Install the bolts securing the bottom right side of the transmission to the engine. Bolt (1) secures the transmission cover on the 4.3L engine only.
Tighten

Tighten the bolts to 50 N.m (37 lb ft).
Install the transmission support crossmember.
Remove the transmission jack.

Fig 4: Installing Transmission Cover
Courtesy of GENERAL MOTORS CORP.
If equipped with the 4.3L engine, install the transmission cover bolts.
Tighten

Tighten the bolts to 9 N.m (80 lb in).
Install the starter motor. Refer to STARTER MOTOR .

Fig 5: Installing Transmission Cover Bolts (4.3L)
Courtesy of GENERAL MOTORS CORP.
If equipped with 4WD, install the fuel feed/return hose clip to the bracket.

Fig 6: Installing Fuel Feed/Return Hose Clip To Bracket
Courtesy of GENERAL MOTORS CORP.
If equipped with 4WD, install the vent hose clip (1) to the fuel feed/return hose bracket.

Fig 7: Installing Vent Hose Clip To Fuel Feed/Return Hose Bracket (4WD)
Courtesy of GENERAL MOTORS CORP.
If equipped with 4WD, install the vent hose clip to the bracket.

Fig 8: Installing Vent Hose Clip To Bracket (4WD)
Courtesy of GENERAL MOTORS CORP.
If equipped with 4WD, install the clamp securing the harness to the fuel feed/return pipe bracket.
Install the engine harness clips to the fuel feed/return line clips and transmission.
Connect the following engine harness electrical connectors:
- VSS (1)
- Backup lamp switch (3)
- Oxygen sensor (4)
Fig 9: VSS, Backup Lamp Switch & Oxygen Sensor
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: DO NOT rely on an audible click or a visual verification on the clutch hydraulic hose quick connect fitting connection.
Connect the clutch actuator cylinder hose to the clutch master cylinder hose.
Push together the clutch hydraulic hose quick connect fittings, then pull back on the fittings to verify engagement.
Check the clutch hydraulic hoses for kinks or twists.
If vehicle is a 4WD, install the transfer case. Refer to TRANSFER CASE ASSEMBLY REPLACEMENT for Transfer Case-NVG 236/246-NP8 (Two Speed Automatic) or TRANSFER CASE ASSEMBLY REPLACEMENT for Transfer Case-NVG 261-NP2 (Two Speed Manual).

Fig 10: Connecting Clutch Actuator Cylinder Hose To Clutch Master Cylinder Hose
Courtesy of GENERAL MOTORS CORP.
If vehicle is a 2WD, install the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE or PROPELLER SHAFT REPLACEMENT - TWO PIECE .
Fill the transmission with fluid.
Install the shift lever assembly. Refer to Shift Lever Assembly Replacement .
Bleed the clutch hydraulic system. Refer to HYDRAULIC CLUTCH BLEEDING .